Compilation target & module are now 'es2015'

• Flexbox positioning
• Split into multiple sub-components
• Export each sub-component for use at application level

This release gives the possibility to filter http requests that should not be handled by the interceptor by providing an array of URL regex to the component's filteredUrlPatterns property.

Definitely switch to the new HttpClientModule api available from angular 4.3

Do not import 'rxjs/Rx' anymore => Explicitly force importing operators manually.

Before completely removing HttpInterceptorService, provide a parallel implementation based on the new built-in angular 4.3 interceptors

Deprecate HttpInterceptorService as they're built in from angular 4.3